From ee4e7bab37e4bb81044f519b69c17405cf617688 Mon Sep 17 00:00:00 2001 From: PoliEcho Date: Wed, 13 Nov 2024 13:54:51 +0100 Subject: [PATCH] 2024-11-13 --- CJL/etymologie | 3 + ELE/2024-11-13-odpory.txt | 9 + ELE/du/du-backups/du-2024-11-08_150012.zip | Bin 0 -> 4216 bytes ELE/du/du.kicad_pcb | 2 + ELE/du/du.kicad_prl | 83 +++ ELE/du/du.kicad_pro | 392 +++++++++++ ELE/du/du.kicad_sch | 666 ++++++++++++++++++ ELE/převody-du.txt | 11 + ...2024-11-11-rovnomerny-pohyb-po-krznici.txt | 40 ++ FYZ/2024-11-11.txt | 52 ++ FYZ/draha-rovnomerne-zrychlenecho-pohybu.png | Bin 0 -> 526738 bytes 11 files changed, 1258 insertions(+) create mode 100644 CJL/etymologie create mode 100644 ELE/2024-11-13-odpory.txt create mode 100644 ELE/du/du-backups/du-2024-11-08_150012.zip create mode 100644 ELE/du/du.kicad_pcb create mode 100644 ELE/du/du.kicad_prl create mode 100644 ELE/du/du.kicad_pro create mode 100644 ELE/du/du.kicad_sch create mode 100644 ELE/převody-du.txt create mode 100644 FYZ/2024-11-11-rovnomerny-pohyb-po-krznici.txt create mode 100644 FYZ/2024-11-11.txt create mode 100644 FYZ/draha-rovnomerne-zrychlenecho-pohybu.png diff --git a/CJL/etymologie b/CJL/etymologie new file mode 100644 index 0000000..3959e0a --- /dev/null +++ b/CJL/etymologie @@ -0,0 +1,3 @@ +Jméno Lukáš: Lucas pochází z latinského názvu jihoitalské oblasti Lukánie a označuje jejího obyvatele. + +Příjmení Mašata: je odvozeno z osobních jmen, která začínají na Ma-: především Matěj, dále Mauritius, apod. 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a/FYZ/2024-11-11-rovnomerny-pohyb-po-krznici.txt b/FYZ/2024-11-11-rovnomerny-pohyb-po-krznici.txt new file mode 100644 index 0000000..1f97048 --- /dev/null +++ b/FYZ/2024-11-11-rovnomerny-pohyb-po-krznici.txt @@ -0,0 +1,40 @@ +Rovnomerny pohyb po krznici +periodicky pohyb +T perioda (doba oběhu) +[T] = s +f frekvence +[f] = Hz +f = 1/T + +rychlost +→ +v ma velikost a smer +v = const + +s = r * f + +Φ merime v radianech rad 1 rad: delka +1 rad = 57°18' + +uhova rychlost +→ +ω +ω = ΔΦ/Δt +[ω] = rad/s + +ω = 2pi/T = 2pi*f + +v = s/t = pi*Φ/t + +v = pi*ω + +hmotny bod kona rovnomerny pohib po kruznici o polomeru 0,5m s frekvenci 4Hz +vypocitejte: obeznou dobu + 0.25s + uhlovou rychlost + 25.133 rad/s + rychlost + +f*T = 1 +T = 1/f +T = 0.25s diff --git a/FYZ/2024-11-11.txt b/FYZ/2024-11-11.txt new file mode 100644 index 0000000..ecee72d --- /dev/null +++ b/FYZ/2024-11-11.txt @@ -0,0 +1,52 @@ + kroupy padají na ze rychlosti 100m/s, Z jake vysky padaji + + s = 1/2*g*t² + + v= g*t + + 100 = 10 * t + + t = 10s + + s = 1/2*10*100 + + s = 500m + + jak hluboká je propast jestly že volně padajíci oběkt pada na zem 5.25s + + s = 1/2*10*27,562i + s = 137.81m + + Skládání pohybů + po vodorovne trati jede vlak stalou rychlosti 15m/s kapky padaji ve svislemm smeru ryhlosti 8m/s + a) rychlost kapek vzhledem oknům vlaku + b) uhel ktery sviraji stopy kapek na okně + 61.928 + + + v₁ = vlak 15m/s + v₂ = kapky 8m/s + + tg alfa = v₁/v₂ + alfa = 61.928 + + v = √25² + 8² + v = 17m/s + + clun se pohybuje vzhledem vode 13m/s vodni proud je 5m/svislemm + a) pod jakým uhlem vzhledem k vodnimu produ + 112°37' + b) jak rychle jede k druhemu brehu + 12m/s + + + v = √(13² - 5²) + v = 12m/s + + v1 = 13m/s + v2 = 5m/s + + sin beta = 5/13 + beta = 22°37' + alfa = 112°37' + diff --git a/FYZ/draha-rovnomerne-zrychlenecho-pohybu.png b/FYZ/draha-rovnomerne-zrychlenecho-pohybu.png new file mode 100644 index 0000000000000000000000000000000000000000..9746a09bd91e01ce9bf1e0d26a3553dcd00c73ad GIT binary patch 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